class_docstr: A structured environment which returns random actions
docstr: Sets the seed for this environment's random number generator(s).
  
  :param: seed: the seed integer initializing the random number generator.
docstr_tok: ["Sets","the","seed","for","this","environment","'s","random","number","generator","(","s",")",".",":","param",":","seed",":","the","seed","integer","initializing","the","random","number","generator","."]
code: def seed(self, seed: int = None) -> None:
      """Sets the seed for this environment's random number generator(s).
  
      :param: seed: the seed integer initializing the random number generator.
      """
      self.env.seed(seed)
  
imports: from typing import Any, Dict, Union, Tuple, Callable, Optional
  import gym
  import numpy
  from maze.core.env.maze_env import MazeEnv
  from maze.core.env.structured_env import StructuredEnv, StepKeyType, ActorID
  from maze.core.env.structured_env_spaces_mixin import StructuredEnvSpacesMixin
  from maze.core.wrappers.wrapper import Wrapper
label_desc: Use image node_id 4 for calling the DummyStructuredEnvironment obj's underlying member method code with example usage: obj.seed(seed) without return types